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General Wave Info
Wave Characteristics
Sound
Light
Speed, Frequency, and Period
100
What is a periodic disturbance that transfers energy?
A wave.
100
What is the highest point of a wave?
Crest
100
What type of wave are sound waves?
Longitudinal (Mechanical)
100
What is the bouncing back of a light wave after it hits a surface?
Reflection
100
A sound wave has a period of 0.5 s. What is its frequency?
2 Hz
200
What is the physical environment that waves occur in?
The medium.
200
What is the lowest point of a wave?
Trough
200
What is the measure of how high or how low a wave sounds?
Pitch
200
What is the bending of a light wave as it passes from one medium into a different medium?
Refraction
200
The frequency of an ocean wave is 0.125 Hz. What is its period?
8 s
300
What are waves the require a medium (such as sound)?
Mechanical Waves
300
What is the distance from a point on one wave to the same point on the next wave?
Wavelength
300
What determines how loud or soft a sound is?
Amplitude
300
What electromagnetic waves have the highest frequency?
Gamma rays.
300
An earthquake shakes a building 3 times each second. If the distance between one wave and the next is 200 m, what is the speed of the seismic waves?
600 m/s
400
What are waves where the particles move perpendicular to the direction of motion?
Transverse Waves
400
What is the distance (how high or how low) particles move from the baseline of the wave?
Amplitude
400
What determines the pitch of a sound?
The frequency.
400
What type of electromagnetic wave has the longest wavelength?
Radio Waves
400
What is the wavelength of a radio wave with a frequency of 2.2 x 10^4 Hz? (Hint: Remember the speed of light!)
6.6 x 10^12
500
What is the medium for seismic waves (think earthquakes)?
The ground.
500
What is the time it takes for a wave to complete one cycle?
Period
500
What is the name of the effect that allow sound to travel around corners?
Diffraction
500
What is the speed of light?
3.00 x 10^8 m/s
500
A sound wave has a frequency of 3.2 x 10^4 Hz. If its speed is 343 m/s, what is its period?
3.12 x 10^(-5) s